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A light beam is traveling through an unknown substance. When it exits that substance and goes into air, the angle of reflection is 35.0° and the angle of refraction is 48.0°. What is the in
In order to help identify this material, you determine its index of refraction by measuring the angles of incidence and refraction for which you find the values 40.1° and 36.3°, respectively
The ray from the laser strikes the mirror 67.9 cm from the wall, and the reflected ray strikes the wall 34.9 cm above the mirror. Find the angle of incidence of the laser ray on the mirror.
Ball B is hanging from an inextensible cord. An identical ball A is released from rest when it is just touching the cord and drops through the vertical distance hA = 200mm before striking ball B. As
1. Perfectly spherical raindrops with a diameter of 2 mm are falling through a deep layer of atmosphere. There are 1000 such raindrops evenly distributed in every m3 of air. a. What is the terminal
Ignoring the thickness of the blades, find the minimum linear speed with which the ball moves along the ground, such that the ball will not be hit by the next blade.
Eight uncharged capacitors with equal capacitances are combined in series. The combination is connected to a 7.45-V battery, which charges the capacitors. The charging process involves 2.37 ×
Suppose our experimenter repeats his experiment on a planet more massive than Earth, where the acceleration due to gravity is . When he releases the ball from chin height without giving it a push, h
Blocks with masses of 1kg , 3kg , and 5kg are lined up in a row on a frictionless table. All three are pushed forward by a 57N force applied to the 1kg block. A)? B) How much force does the 3kg bloc
A particular satellite was placed in a circular orbit about 145 mi above Earth. (a) Determine the orbital speed of the satellite. (b) Determine the time required for one complete revolution.
An electric motor rotating a workshop grinding wheel at a rate of 9.80 x 101 rev/min is switched off. Assume the wheel has a constant negative angular acceleration of magnitude 2.20 rad/s2. (a) How l
A centrifuge in a medical laboratory rotates at an angular speed of 3,550 rev/min. When switched off, it rotates through 46.0 revolutions before coming to rest. Find the constant angular acceleratio
A dentist's drill starts from rest. After 2.50 s of constant angular acceleration it turns at a rate of 2.1 104 rev/min. (a) Find the drill's angular acceleration. (b) Determine the angle (in radian
A singly ionized oxygen atom moves at 9000m/s in a circular path perpendicular to a 0.85T magnetic field. Find the radius and period of its circular motion. Part A) Find the radius of its circular
The golf ball has a mass of 45.9 grams. What is the magnitude of the impulse imparted to the ball by the club?
The two delicacies collide head on at the given speeds-the counter is practically friction-free due to accumulated grease-and merge into a single, unbelievably savory serving. In what direction does
A person exerts a tangential force of 37.2 N on the rim of a disk-shaped merry-go-round of radius 2.70 m and mass 158 kg. If the merry-go-round starts at rest, what is its angular speed after the pe
A 0.400kg ice puck, moving east with a speed of 6.50m/s , has a head-on collision with a 0.700kg puck initially at rest.What will be the speed of the 0.700kg object after the collision?
what fraction of the metoer's kinetic energy was transformed to kinetic energy of the earth? by how much did the earth's kinetic energy change as a result of this collision?
Two billiard balls of equal mass undergo a perfectly elastic head-on collision.If one ball's initial speed was 1.80m/s , and the other's was 5.00m/s in the opposite direction, what will be their spe
A particle of mass m=5 kg is at rest at t=0 seconds. A horizontal new force F(t)= 6t^2 - 4t + 3 is acting on the particle between t=0 and t=5 seconds. Find the speed, v, of the particle at t=5 seco
Calculate the capacitance of this not-quite-parallel-plate capacitor. (Hint: divide the plates strips, each having dimensions dx and W. A parallel plate capacitor is formed by each strip and the cor
Derive a general equation for the electric potential at the point P. (Hint: Express the differential dV of potential as kdq /r, develop a suitable expression for dq, and integrate it over the line s
A satellite has a mass of 6367 kg and is in a circular orbit 3.70 x 105 m above the surface of a planet. The period of the orbit is 1.86 hours. The radius of the planet is 4.45 106 m. What would be t